Laguna Coast Wilderness Park Vascular Plant Checklist
Authors: Contributors: Rebecca E. Crowe, Fred Roberts, Michael G. Simpson, Ron Vanderhoff

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Families: 90
Genera: 288
Species: 441
Total Taxa: 446

Page 1 of 1: 1

NATIVE, Note: A recent name change from Chlorogalum parviflorum. See: Taylor and Keil. 2018. Phytoneuron 27:1-6, iNat Observations
NATURALIZED (native to s Africa), Note: Treated as this taxon (and as a WAIF) in the Jepson eFlora, but as Aizoon pubescens in iNaturalist and Plants of the World Online. iNat Observations; James P. Bailey s.n. [UCR], Ron Vanderhoff 445 [IRVC]
Mesembryanthemum crystallinum L. - Crystalline Iceplant
NATURALIZED (native to s Africa), iNat Observations
Mesembryanthemum nodiflorum L. - Slender-Leaf Iceplant
NATURALIZED (native to s Africa), iNat Observations
NATIVE, Note: Variety not determined, but likely A. c. var. canescens based on locality. iNat Observations
Atriplex rosea L. - Tumbling Orach, Redscale Saltweed
NATURALIZED (native to Eurasia), iNat Observations
Atriplex semibaccata R. Br. - Australian Saltbush
NATURALIZED (native to Australia), iNat Observations
Blitum californicum S. Wats. - California Goosefoot
NATIVE Note: See Fuentes-Bazan, et al. 2012. Willdenowia 42:5-24; a recent name change from Chenopodium californicum, iNat Observations
NATURALIZED (native to Europe). Note: See Fuentes-Bazan, et al. 2012; a recent name change from Chenopodium murale, iNat Observations
NATURALIZED (native to tropical America); F.M. Roberts 1809 [IRVC]
Salsola australis R. Br. - Australian Tumbleweed
NATURALIZED (possibly native to Australia), iNat Observations; Fred M. Roberts 7889 [UCR]
Schinus molle L. - Peruvian Pepper Tree
NATURALIZED (native to South America), iNat Observations
Schinus terebinthifolius Raddi - Brazilian Pepper Tree
NATURALIZED (native to South America), iNat Observations
Apium graveolens L. - Common Celery
NATURALIZED (native to Eurasia); V.C. Bleich 158 [LOB], Fred M. Roberts 3582 [IRVC]
Conium maculatum L. - Common Poison Hemlock
NATURALIZED (native to Europe), iNat Observations; Reid Moran 24237 [SD]
NATURALIZED (native to s Europe), iNat Observations
NATIVE Note: A recent name change from Funastrum cynanchoides var. hartwegii; see Fishbein and Gandhi. 2018. Novon 26:165-167, iNat Observations; K. G. Marsh s.n. [IRVC]
NATURALIZED (native locality unclear, possibly southwest Asia), iNat Observations
Vinca major L. - Greater Periwinkle
NATURALIZED (probably native to Europe), iNat Observations
NATURALIZED (native to Baja California, Sonora, Mexico), iNat Observations
Asparagus officinalis L. - Garden Asparagus
NATURALIZED (native to Europe), iNat Observations
Artemisia dracunculus L. - Tarragon, Dragon Sagewort
NATIVE, Note: iNat observations and some herbarium vouchers may not be to infraspecies, but likely this taxon. iNat Observations; Dick Newell 304 [UCR], Fred M. Roberts 8648 [UCR]
NATURALIZED (native origin unknown), iNat Observations
NATURALIZED (native to Mediterranean), Note: Assumed to be this infraspecies. iNat Observations
Centaurea cyanus L. - Bachelor's Button, Cornflower
NATURALIZED (native to s Europe), iNat Observations
NATIVE, Note: Treated as a single polymorphic species in the Flora of North America and Jepson eFlora, that concept tentatively accepted here, pending further research. iNat Observations; Michael G. Simpson 5100 [SDSU], Michael G. Simpson 5100 [IRVC], A. S. Boughey... 1082 [IRVC], A. S. Boughey... s.n. [IRVC]
NATURALIZED (native to Australia), iNat Observations
Cotula coronopifolia L. - African Brass-Buttons
NATURALIZED (native to s Africa), iNat Observations
NATURALIZED (native to southern Europe), iNat Observations
NATURALIZED (native to s Africa), iNat Observations
Native to California, but possibly NATURALIZED in the Park, iNat Observations
Erigeron bonariensis L. - Flax-Leaf Fleabane
NATURALIZED (native to South America), iNat Observations; Fred M. Roberts 7886 [UCR]
Erigeron sumatrensis Retz. - Tropical Horseweed, Asthmaweed
NATURALIZED (native to South America), iNat Observations
NATURALIZED (native to Mediterranean), iNat Observations
NATURALIZED (native to Europe), iNat Observations
Logfia gallica (L.) Coss. & Germ. - Narrow-Leaf Cottonrose
NATURALIZED (native to Mediterranean), iNat Observations; Michael G. Simpson 4991 [IRVC]
Matricaria discoidea DC. - Common Pineapple-Weed
NATIVE (stated as native to northwestern North America, northeastern Asia in Jepson eFlora; considered NATURALIZED in some references), iNat Observations
NATURALIZED (native to South Africa), iNat Observations
NATURALIZED (native to Eurasia), Note: Treated as Helichrysum luteoalbum in some references. iNat Observations; Fred M. Roberts 7856 [RSA]
Pulicaria paludosa Link - Spanish False-Fleabane
NATURALIZED (native to Europe); Michael G. Simpson 5104 [IRVC]
Senecio vulgaris - Common Groundsel
NATURALIZED (native to Eurasia, n. Africa), iNat Observations
NATURALIZED (native to Mediterranean), iNat Observations
Solidago velutina DC. - Velvety Goldenrod
NATIVE, Note: Not all observations to subspecies, but appear to be this taxon. iNat Observations
Sonchus asper (L.) Hill - Prickly Sow-Thistle
NATURALIZED (native to Europe), iNat Observations
Sonchus oleraceus L. - Common Sow-Thistle
NATURALIZED (native to Europe), iNat Observations
Stephanomeria exigua - Small Wreath-Plant
Cryptantha clevelandii Greene - Cleveland's Cryptantha
NATIVE, iNat Observations. Note: Some observations not to subspecies, but only P. i. subsp. ferocula is known in North America.; Fred M. Roberts 929 [IRVC]
NATURALIZED (native to Europe), Note: Treated as Rhamphospermum nigrum in iNaturalist, not recognized in the Jepson eFlora. iNat Observations
NATURALIZED (native to Mediterranean, southwestern Asia), iNat Observations
NATURALIZED (native to Eurasia), iNat Observations
Cardamine hirsuta L. - Hairy Bittercress
NATURALIZED (native to Europe), iNat Observations
Lepidium lasiocarpum Nutt. - Sand Peppergrass
NATIVE, iNat Observations; note: not identified to subspecies, but this the only one cited in California.
Lepidium latifolium L. - Broad-Leaf Peppergrass
NATURALIZED (native to Eurasia), iNat Observations
Lepidium nitidum Nutt. - Shining Peppergrass
Raphanus raphanistrum L. - Jointed Charlock
NATURALIZED (native to Mediterranean Europe); L. McCabe (HS) s.n. [IRVC]
Raphanus sativus L. - Wild Radish
NATURALIZED (native to Mediterranean Europe), iNat Observations
Sisymbrium irio L. - London Rocket Mustard
NATURALIZED (native to Europe), iNat Observations; Ira L. Wiggins 20497 [IRVC]
Sisymbrium orientale L. - Oriental Hedge Mustard
NATURALIZED (native to Eurasia), iNat Observations
NATIVE, Note: Including Opuntia semispinosa. iNat Observations; iNat Observations
Opuntia oricola Philbrick - Chaparral Prickly-Pear
Nemacladus ramosissimus Nutt. - Most Branched Threadplant
NATIVE, iNat Observations (Note: Not treated to variety); Note: Only Symphoricarpos albus var. laevigatus listed in the Jepson eFlora.
Silene gallica L. - Windmill Pink
NATURALIZED (native to Mediterranean), iNat Observations
Silene laciniata Cav. - Southern Pink
NATIVE, Note: Not all observations or vouchers identified to subspecies, but assumed to be this taxon. iNat Observations; Dick Newell 144 [UCR], Reid Moran 24233 [SD]
Spergula arvensis L. - Stickwort, Starwort
NATURALIZED (native to Europe), iNat Observations; Beauchamp, R.M. 773 [SDSU]
Spergularia bocconei (Scheele) Graebner - Boccone’s Sand-Spurrey
NATURALIZED (native to southwestern Europe, Mediterranean), iNat Observations
Stellaria media (L.) Vill. - Common Chickweed
NATURALIZED (native to southwestern Europe); Beauchamp, R.M. 772 [SDSU]
Cistus incanus L. - Purple Rock-Rose
NATURALIZED (native to southern Europe), iNat Observations
NATIVE, iNat Observations (Note: Not identified to variety); Note: Treated as Peritoma arborea (Nutt.) H.H.Iltis in the Jepson eFlora.
NATIVE, Note: The subspecies of Calystegia macrostegia are not recognized in a recent thesis, Namoff, S. M. 2017. Hybridization processes, biogeographic patterns and taxonomic rearrangements within Calystegia (Convolvulaceae). PhD. Claremont Graduate University, Claremont, California, USA, which we follow here; iNat Observations; Fred M. Roberts 7850 [RSA]
Cuscuta californica Hook. & Arn. - California/Chaparral Dodder
NATURALIZED (native to Mediterranean), iNat Observations
NATURALIZED (native to eastern Africa); Fred M. Roberts 7885 [UCR]
NATIVE, Note: Not listed in the Jepson eFlora. iNat Observations
Euphorbia maculata L. - Spotted Spurge
NATURALIZED (native to eastern United States), iNat Observations
Euphorbia peplus L. - Petty Spurge
NATURALIZED (native to Europe), iNat Observations
Euphorbia serpens Kunth - round-leafed spurge
NATURALIZED (native to South America), iNat Observations
Ricinus communis L. - Castor Bean
NATURALIZED (native to Europe), iNat Observations
Acacia cyclops A. Cunn. ex G. Don - Western Coastal Wattle
NATURALIZED (native to southwestern Australia), iNat Observations
NATURALIZED (native to southeastern Australia, New Guinea, Kei Islands); Thompson [CSLA]
NATURALIZED (native to southeastern Australia); C. J. Parenti EB3 [MACF]
Acmispon americanus (Nutt.) Rydb. - American Lotus, Spanish-Clover
NATIVENote: not all determined to subspecies, iNat Observations
NON-NATIVE (native to the Mediterranean region and the Middle East), iNat Observations
NATURALIZED (native to Mediterranean, Europe), iNat Observations
NATURALIZED (native to Mediterranean), iNat Observations; Fred M. Roberts 7854 [UCR]
NATURALIZED (native to Eurasia, northern Africa), iNat Observations; Ron Vanderhoff 1619 [OBS]
Vicia villosa Roth - Hairy Vetch, Winter Vetch
NATURALIZED (native to Europe), iNat Observations
Vicia villosa subsp. villosa - Typical Hairy Vetch
NATURALIZED (native to Europe); Philip Spektor 26 [LOB]
Quercus agrifolia Née - Coast Live Oak
Quercus wislizeni A. DC. - interior live oak
Quercus X acutidens - coastal sage scrub oak
Erodium botrys (Cav.) Bertol. - Long-Beak Filaree/Storksbill
NATURALIZED (native to southern Europe), iNat Observations; Michael G. Simpson 4998 [IRVC]
Erodium cicutarium (L.) L'Hér. ex Aiton - Red-Stem Filaree/Storksbill
NATURALIZED (native to Eurasia), iNat Observations
Erodium malacoides (L.) L'Hér. - Mediterranean stork's bill
NATURALIZED (native to s Europe), iNat Observations
Erodium moschatum (L.) L'Hér. ex Aiton - White-Stem Filaree/Storksbill
NATURALIZED (native to Europe), iNat Observations
Geranium sp. - geranium
Note: not determined to subspecies, iNat Observations
Geranium dissectum L. - Cut-Leaf Geranium
NATURALIZED (native to Europe, northern Africa, western Asia), iNat Observations
NATIVE, iNat Observations; observations not to variety, but assumed to be H. c. var. curassavicum.; Albert J. Perkins s.n. [RSA]
NATIVENote: now considered a variety of ramosissima; Reid Moran 24234 [SD]
Juglans regia L. - English walnut
NATURALIZED (native to southwestern Asia), iNat Observations
Juncus acutus L. - spiny rush
NATIVE iNaturalist observations assumed to be this subspecies., iNat Observations; Adrian Wolf 360 [UCR]
NATURALIZED (native to Eurasia), iNat Observations
NATURALIZED (native to Europe, n. Africa, and s.w. and c. Asia), iNat Observations; Michael G. Simpson 5083 [IRVC]
Salvia leucophylla Greene - San Luis Purple Sage
Stachys rigida Nutt. ex Benth. - Rigid Hedge-Nettle
Calochortus weedii Alph.Wood - Weed's Mariposa Lily
NATURALIZED (native to Europe), iNat Observations
NATURALIZED (native to southern Europe), iNat Observations
NATURALIZED (native to Europe, Asia Minor, Mediterranean); Gordon A. Marsh s.n. [IRVC]
NATURALIZED (native to Europe, Mediterranean, India), iNat Observations; Robin G. Marushia 005 [UCR], Fred M. Roberts 7852 [RSA]
NATURALIZED (native to tropical America), iNat Observations; Fred M. Roberts 7717 [RSA]
NATURALIZED (native to western Asia), iNat Observations
Epilobium canum (Greene) P.H. Raven - California Fuchsia, Hummingbird Trumpet
Epilobium canum subsp. canum - California Fuchsia, Hummingbird Trumpet
Cordylanthus rigidus (Benth.) Jeps. - Stiffbranch Bird’s Beak
Oxalis pes-caprae L. - African Wood-Sorrel
NATURALIZED (native to southern Africa), iNat Observations
Diplacus brevipes (Benth.) G.L.Nesom - Slope Semiphore, Widethroat Yellow Monkeyflower
Diplacus longiflorus Nutt. - Santa Susana bush monkeyflower
NATURALIZED (native to Canary Islands), iNat Observations
Plantago major L. - rippleseed plantain
NATURALIZED (native to Europe); Fred M. Roberts 2028 [IRVC]
Plantago ovata Forssk. - Woolly Plantain
Limonium perezii (Stapf) F.T. Hubb. - Perez’s Marsh-Rosemary
NATURALIZED (native to Canary Islands); Philip Spektor 34 [LOB]
Limonium sinuatum (L.) Mill. - Wavy Leaf Sea-Lavender
NATURALIZED (native to Mediterranean, western Asia), iNat Observations; Philip Spektor 25 [LOB]
NATURALIZED (native to South Africa), iNat Observations
Arundo donax L. - Giant Reed
NATURALIZED (native to Europe), iNat Observations
Avena barbata Pott ex Link - Slender Wild Oat
NATURALIZED (native to s Europe, n Africa to India), iNat Observations
Avena fatua L. - Insipid Wild Oat
NATURALIZED (native to Eurasia), iNat Observations; Fred M. Roberts 7861 [RSA]
Bromus diandrus Roth - Ripgut Grass
NATURALIZED (native to Europe), iNat Observations; Fred M. Roberts 7870 [RSA]
Bromus madritensis L. - Madrid Brome
NATURALIZED (native to Europe), iNat Observations
Cenchrus setaceus (Forssk.) Morrone - African Fountain Grass
NATURALIZED (native to Africa), iNat Observations
NATURALIZED (native to e South America), iNat Observations
NATURALIZED (native to Europe), Note: Treated as Sporobolus schoenoides (L.) P.M.Peterson in some works, e.g., iNaturalist; iNat Observations; Fred M. Roberts 7715 [RSA]
NATURALIZED (native to Africa); Fred M. Roberts 7864 [RSA]
Ehrharta calycina Sm. - Perennial Veldt Grass
NATURALIZED (native to s Africa), iNat Observations; D. E. Bramlet 2382 [RSA]
Elymus glaucus Buckley - Blue Wild-Rye
Festuca myuros L. - Rat-Tail Fescue
NATURALIZED (probably native to Europe); Karlin G. Marsh s.n. [IRVC]
Festuca perennis (L.) Columbus & J.P.Sm. - Perennial/Italian Rye Grass
NATURALIZED (native to Europe), iNat Observations; Fred M. Roberts 1647 [IRVC]
NATURALIZED (native to Europe), iNat Observations
NATIVE, Environmental Listing: 3.2 G3G4 S3S4; J.B. Anderson 605 [IRVC]
Hordeum murinum L. - Wall Barley
NATURALIZED (native to Europe, Mediterranean), Note: iNaturalist observations not to subspecies. iNat Observations; Fred M. Roberts 7863 [RSA]
NATURALIZED (native to Mediterranean), iNat Observations
Phalaris aquatica L. - Harding Grass
NATURALIZED (native to Mediterranean Europe), iNat Observations; Karlin G. Marsh s.n. [UCR], Karlin G. Marsh s.n. [IRVC]
Poa secunda J. Presl - One-Sided Blue Grass
NATIVE, Note: Subspecies not yet determined. iNat Observations
NATIVE, Note: Treated as Eriocoma coronata (Thurb.) Romasch. in some works, e.g., iNaturalist; iNat Observations; Fred M. Roberts 921 [IRVC]
Stipa lepida Hitchc. - Foothill Needle Grass
NATURALIZED (native to Europe, northern Africa, western Asia), Note: Treated as Oloptum miliaceum (L.) Röser & Hamasha in some works, e.g., iNaturalist; iNat Observations; CalFlora Observations; iNat Observations; Fred M. Roberts 1812 [IRVC]
Eriogonum gracile Benth. - Slender Buckwheat
NATURALIZED (native to Europe), iNat Observations; Fred M. Roberts 2025 [IRVC]
Rumex crispus L. - Curly Dock
NATURALIZED (native to Eurasia), iNat Observations; Fred M. Roberts 7858 [UCR]
Rumex dentatus L. - Toothed Dock
NATURALIZED (native to se Europe, Asia, n Africa), iNat Observations
Adiantum jordanii C.H. Mull. - California Maidenhair Fern
Clematis ligusticifolia Nutt. - Western Virgin's Bower
Cercocarpus minutiflorus Abrams - smooth mountain-mahogany
Rubus ursinus Cham. & Schltdl. - California Blackberry
Ruppia maritima L. - Beadfruit Sea-Tassel
Salix exigua Nutt. - Narrow-Leaf Willow
Lithophragma affine A. Gray - San Francisco woodland-star
NATURALIZED (native to New Zealand), iNat Observations
Datura wrightii Regel - Western Jimson Weed
NATURALIZED (native to Bolivia, Argentina, Brazil and Paraguay), iNat Observations
NATURALIZED (native to South America), iNat Observations
Nicotiana quadrivalvis Pursh - Four-Valved Tobacco
NATIVE, iNat Observations (Note: N. q. var. wallacei not recognized in Jepson eFlora); Dick Newell 199 [UCR], Michael G. Simpson 5084 [IRVC], K.G. Marsh s.n. [IRVC]
NATIVE, Note: In the past identified as P. crassifolia or P. greenei, probably a new species; however, identified by J. Sullivan, author of future FNA treatment of Physalis, as P. palmeri [=P. hederifolia in that treatment]. Needs further study; may constitute a new taxon. See: Pretz and Deanna. 2020. Taxon 69:170-192.; D.E. Bramlet 2380 [UCR], Karlin G. Marsh s.n. [IRVC], Karlin G. Marsh s.n. [IRVC]
NATURALIZED (originated in cultivation), iNat Observations
NATURALIZED (native to eastern Asia), iNat Observations; Michael G. Simpson 5105 [IRVC]
Urtica dioica L. - Tall Nettle
NATIVE, Note: Assumed to be this subspecies based on distribution data. iNat Observations; Fred M. Roberts 7892 [UCR]
Urtica urens L. - Dwarf Nettle
NATURALIZED (native to Europe), iNat Observations
Verbena lasiostachys Link - Western Vervain
NATIVE; Note: S. nigra L. subsp. caerulea (Raf.) Bolli now considered a synonym, iNat Observations; Michael G. Simpson 5098 [IRVC]
Vitis girdiana Munson - Southern California Wild Grape